package com.ashin.custom.realm;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.realm.Realm;

public class SecondRealm implements Realm {

    @Override
    public String getName() {
        return "secondRealm";
    }

    @Override
    public boolean supports(AuthenticationToken token) {
        return token instanceof UsernamePasswordToken;
    }

    @Override
    public AuthenticationInfo getAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        // 得到用户名
        String username = (String) token.getPrincipal();
        // 得到密码
        String password = new String((char[]) token.getCredentials());
        if (!"zhang".equals(username)) {
            // 如果用户名错误
            throw new UnknownAccountException();
        }

        if (!"1234".equals(password)) {
            // 如果密码错误
            throw new IncorrectCredentialsException();
        }

        // 如果身份认证验证成功，返回一个AuthenticationInfo实现；
        return new SimpleAuthenticationInfo(username, password, getName());
    }

}
